Hoary Edge Skipper vs Sand Fly Caddis

Side-by-side species comparison

Attribute Hoary Edge Skipper Sand Fly Caddis
Scientific Name Achalarus lyciades Glossosoma intermedium
Order Lepidoptera Trichoptera
Family Hesperiidae Glossosomatidae
Size 37-47 mm wingspan 6-9 mm
Habitat Deserts & Drylands Rivers & Streams
Diet Omnivores Omnivores
Regions Eastern United States North America
Conservation Least Concern Least Concern

Hoary Edge Skipper

A dark brown spread-wing skipper with a frosted white patch along the outer margin of the hindwing underside. Its fast darting flight makes it difficult to follow.

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Did You Know?

The name 'hoary edge' refers to the silvery-white frosted margin that distinguishes it from similar dark skippers.

Sand Fly Caddis

A small caddisfly whose larvae build distinctive tortoise-shell-shaped stone cases. They are important grazers on algae-covered stream rocks.

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Did You Know?

Glossosoma larvae abandon and rebuild their dome-shaped cases each time they need to move to a new grazing site.